JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Topic Test - Chemical Equilibrium (6-5-21)

  • question_answer
    5 moles of \[S{{O}_{2}}\] and 5 moles of \[{{O}_{2}}\] are allowed to react to form \[S{{O}_{3}}\] in a closed vessel. At the equilibrium stage 60% of \[S{{O}_{2}}\] is used up. The total number of moles of \[S{{O}_{2}}\], \[{{O}_{2}}\] and \[S{{O}_{3}}\] in the vessel now is

    A) 10.0

    B) 8.5

    C) 10.5

    D) 3.9

    Correct Answer: B

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